What A Difference Four Years Makes, MSM POTUS Double Standard

Violent demonstrations in South America on visit from POTUS. For Bush, MSM magnifies the significance  of violent demonstrations. For Obama, MSM ignores the same violent demonstrations.  What a difference four years makes.

source: http://bigjournalism.com/sswift/2011/03/20/brazils-anti-obama-riots-ignored-by-media/